A334737 - cp's OEIS frontend

A334737 Lexicographically earliest sequence of distinct positive integers such that the digital root of a(n+1) divides a(n).

n	a(n)
1	1
2	10
3	2
4	11
5	19
6	28
7	4
8	13
9	37
10	46
11	20
12	5
13	14
14	7
15	16
16	8
17	17
18	55
19	23
20	64
21	22
22	29
23	73
24	82
25	38
26	47
27	91
28	25
29	32
30	26
31	56
32	31
33	100
34	40
35	35
36	34
37	65
38	41
39	109
40	118
41	74
42	83
43	127
44	136
45	44
46	49
47	43
48	145
49	50
50	59
51	154
52	52
53	58
54	92
55	67
56	163
57	172
58	76
59	85
60	68
61	94
62	101
63	181
64	190
65	77
66	61
67	199

[1, 10, 2, 11, 19, 28, 4, 13, 37, 46, 20, 5, 14, 7, 16, 8, 17, 55, 23, 64, 22, 29, 73, 82, 38, 47, 91, 25, 32, 26, 56, 31, 100, 40, 35, 34, 65, 41, 109, 118, 74, 83, 127, 136, 44, 49, 43, 145, 50, 59, 154, 52, 58, 92, 67, 163, 172, 76, 85, 68, 94, 101, 181, 190, 77, 61, 199]

cp's OEIS Frontend

A334737 Lexicographically earliest sequence of distinct positive integers such that the digital root of a(n+1) divides a(n).

Table of values

List of values

n	a(n)
1	1
2	10
3	2
4	11
5	19
6	28
7	4
8	13
9	37
10	46
11	20
12	5
13	14
14	7
15	16
16	8
17	17
18	55
19	23
20	64
21	22
22	29
23	73
24	82
25	38
26	47
27	91
28	25
29	32
30	26
31	56
32	31
33	100
34	40
35	35
36	34
37	65
38	41
39	109
40	118
41	74
42	83
43	127
44	136
45	44
46	49
47	43
48	145
49	50
50	59
51	154
52	52
53	58
54	92
55	67
56	163
57	172
58	76
59	85
60	68
61	94
62	101
63	181
64	190
65	77
66	61
67	199

n	a(n)
1	1
2	10
3	2
4	11
5	19
6	28
7	4
8	13
9	37
10	46
11	20
12	5
13	14
14	7
15	16
16	8
17	17
18	55
19	23
20	64
21	22
22	29
23	73
24	82
25	38
26	47
27	91
28	25
29	32
30	26
31	56
32	31
33	100
34	40
35	35
36	34
37	65
38	41
39	109
40	118
41	74
42	83
43	127
44	136
45	44
46	49
47	43
48	145
49	50
50	59
51	154
52	52
53	58
54	92
55	67
56	163
57	172
58	76
59	85
60	68
61	94
62	101
63	181
64	190
65	77
66	61
67	199

n	a(n)
1	1
2	10
3	2
4	11
5	19
6	28
7	4
8	13
9	37
10	46
11	20
12	5
13	14
14	7
15	16
16	8
17	17
18	55
19	23
20	64
21	22
22	29
23	73
24	82
25	38
26	47
27	91
28	25
29	32
30	26
31	56
32	31
33	100
34	40
35	35
36	34
37	65
38	41
39	109
40	118
41	74
42	83
43	127
44	136
45	44
46	49
47	43
48	145
49	50
50	59
51	154
52	52
53	58
54	92
55	67
56	163
57	172
58	76
59	85
60	68
61	94
62	101
63	181
64	190
65	77
66	61
67	199